package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class JdbcDemo2 {
    public static void main(String[] args) throws Exception{
        //加载驱动
        Class.forName("com.mysql.cj.jdbc.Driver");
        //与数据库连接
        Connection connection= DriverManager.getConnection(
                //格式：jdbc:mysql://主机地址信息/数据库名？参数列表
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root","root");
        System.out.println("与数据库建立连接");
        //创建语句执行对象
        Statement statement=connection.createStatement();
        String sql="INSERT INTO userinfo(username,password,nickname,age) " +
                "VALUES ('zhangsan','123456','张三',18);";
        int nums=statement.executeUpdate(sql);//executeUpdate执行dml语句 增删改
        if(nums>0)
        {
            System.out.println("插入成功");
        }
        connection.close();
    }
}
